[Rpm-maint] [rpm-software-management/rpm] Rpm query causes corruption in the file-backed mmaped bdb regions (#232)

Jeff Johnson notifications at github.com
Wed Jun 14 02:50:59 UTC 2017

If you are hitting this problem "Hundreds. Of. Times. A. Day.", then there is a
mismatch between what you are expecting, and what is actually implemented in RPM.

While I am not responsible (or able to even submit an acceptable patch to rpm.org, sigh),
I can certainly diagnose your problems, and suggest better/alternative usage for RPM.

I can also *easily* back port the core fix to the problem reported here, implemented years ago @rpm5.org:

* when DB_RUNRECOVERY is returned opening a BDB dbenv, then do the recovery by setting a flag, and repeating the open one time, thereby running recovery.

That takes care of the majority of "automated" problems. Other problems exist if using NETSNMP+RPM, or if using GDB+RPM, usage cases that RPM rpmdb wasn't ever really
designed for.

Again, I can easily generate the patch for @rpm.org code: just no patch I submit from
@rpm5.org will *EVER* be acceptable @rpm.org AFAIK (and there are many public statements to
that effect from @rpm.org and @redhat.com devels).

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